Two different pathways (a chlorocatechol and a hydroquinone pathway) for the 4-chlorophenol degradation in two isolated bacterial strains

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Two isolated strains, Comamonas testosteroni CPW301 and Arthrobacter ureafaciens CPR706, were able to use 4-chlorophenol (4-CP) as a sole carbon and energy source. CPW301 was found to degrade 4-CP via a meta-cleavage pathway in which the chloro-substituent was eliminated even when 4-chlorocatechol was cleaved by the catechol 2,3-dioxygenase. In contrast, CPR706 removed chloride from 4-CP prior to the ring-fission reaction, producing hydroquinone as a transient intermediate during 4-CP degradation. CPR706 exhibited much higher tolerance for 4-CP than CPW301, which was indicated by the maximum degradable concentration and degradation rate.
Publisher
Korean Society for Microbiolog and Biotechnology
Issue Date
1997-01
Language
English
Article Type
Article
Keywords

BIODEGRADATION; CHLOROPHENOL; METABOLISM; CATECHOL

Citation

JOURNAL OF MICROBIOLOGY AND BIOTECHNOLOGY, v.7, no.4, pp.237 - 241

ISSN
1017-7825
URI
http://hdl.handle.net/10203/70287
Appears in Collection
BS-Journal Papers(저널논문)
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